1 files changed, 52 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_treeupdate_list.js b/accessible/tests/browser/e10s/browser_treeupdate_list.js
new file mode 100644
index 0000000000..2ca14d5572
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_treeupdate_list.js
@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* import-globals-from ../../mochitest/role.js */
+loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
+
+async function setDisplayAndWaitForReorder(browser, value) {
+  let onReorder = waitForEvent(EVENT_REORDER, "ul");
+  await invokeSetStyle(browser, "li", "display", value);
+  return onReorder;
+}
+
+addAccessibleTask(
+  `
+  <ul id="ul">
+    <li id="li">item1</li>
+  </ul>`,
+  async function (browser, accDoc) {
+    let li = findAccessibleChildByID(accDoc, "li");
+    let bullet = li.firstChild;
+    let accTree = {
+      role: ROLE_LISTITEM,
+      children: [
+        {
+          role: ROLE_LISTITEM_MARKER,
+          children: [],
+        },
+        {
+          role: ROLE_TEXT_LEAF,
+          children: [],
+        },
+      ],
+    };
+    testAccessibleTree(li, accTree);
+
+    await setDisplayAndWaitForReorder(browser, "none");
+
+    ok(isDefunct(li), "Check that li is defunct.");
+    ok(isDefunct(bullet), "Check that bullet is defunct.");
+
+    let event = await setDisplayAndWaitForReorder(browser, "list-item");
+
+    testAccessibleTree(
+      findAccessibleChildByID(event.accessible, "li"),
+      accTree
+    );
+  },
+  { iframe: true, remoteIframe: true }
+);